What is the purpose of the parent:: keyword in PHP?
A). To access properties of the parent class
B). To call methods of the parent class
C). To instantiate the parent class
D). To prevent inheritance
What is the purpose of the static keyword in PHP?
A). To access properties or methods without instantiating the class
B). To prevent a class from being instantiated
C). To define constants
D). To access superclass methods
Which keyword is used to prevent a class from being inherited in PHP?
A). final
B). private
C). static
D). sealed
What is the purpose of the __construct() method in PHP?
A). To define class properties
B). To create objects
C). To initialize object properties
D). To access superclass methods
What does inheritance provide in OOP?
A). Code reusability
B). Data security
C). Object creation
D). Method overloading
Which keyword is used for inheritance in PHP?
A). inherit
B). extends
C). inherit_from
D). inherits
Which keyword is used to create an object in PHP?
A). create
B). instance
C). new
D). make
What is the visibility of properties or methods declared as private in PHP?
A). Public
B). Protected
C). Private
D). Accessible only within the class
Which keyword is used to access properties or methods within the same class in PHP?
A). public
B). protected
C). private
D). $this
What is polymorphism in OOP?
A). Code duplication
B). Method overriding
C). Data encapsulation
D). Class instantiation